Quote:
Originally Posted by paul52446m
I don't know if your pilot needs cleaning or not, but make sure you pushed the thermocouple all the way up in it holder. the flame should surround the thermocouple about 1/2 " down from the top and 1/2 " around it. A clean pilot has two colors of blue. the inter light blue is a much hotter flame and that the flame the should be hitting the thermocouple. When i buy 10 thermocouples in a box, some times two of those are bad and don;t work. So you could have a bad one, or you could have a weak magnet in the gas valve. You would have to have some one put a millivolt tester on it to see what it is doing. New should test from 25 to 36, a test of 18 or less is a bad one, and it has to be tested in a clean pilot. Later Paul
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Thanks for the info Paul, I did get the furnace working. The T/C wasn't directly in the pilot flame and wasn't heating up enough to keep the valve open. A little adjusting later and I have heat.
A call to a HVAC "Specialist" shows how many cowboys are out there; one company quoted me $660 for a new valve assembly and $250 for labor to install it
. A more local service quoted me $80 for the valve and $120 labor! Won't be using the first guy if I have problems down the line!
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